| Question | Answer |
| File mode that opens or create a text file in writing mode
w
r
a
x | w |
| Reads a character from a file:
getc()
fclose()
puc()
fopen() | getc() |
| It is created for the permanent storage of data.
Variable
Constant
File
List | File |
| Output is?
while( (ch = getchar()) != '\n') {
putc(ch, fp);
}
Puts character into a variable
Gets a character until enter key is pressed
Gets a character, put it into a file pointer until an enter is pressed
Gets a character | Gets a character, put it into a file pointer until an enter is pressed |
| Refers to the name of the file
File pointer
Filename
file extension
file attribute | Filename |
| Writes a set of data to a file
fprintf()
fclose()
fopen()
*fp | fprintf() |
| What is the correct syntax for declaring a file pointer?
file *fp;
*FILE *fp;
FILE *fp;
File *fp; | FILE *fp; |
| What is the correct syntax for fclose()?
FCLOSE(fp);
Fclose(fp);
fclose(fp);
fclose(“fp”); | fclose(fp); |
| EOF means ______________________________
End of format
End of float
End of function
End of file | End of file |
| Writes a character to a file:
fclose()
fopen()
puc()
getc() | putc()
// However, it is marked wrong. It is also not getc(). |
| Which operator is used to insert the data into the file?
<<
>>
<
> | << |
| Which of the following header file is required for creating and reading files?
ifstream
stream
fstream
ofstream | fstream |
| Which of the following is used to create a stream that performs both input and output operations?
fstream
ifstream
iostream
ofstream | fstream |
| A C++ library that allows working with files
fstream
cstdlib
ctype
cmath | fstream |
| Which header file is used for reading and writing to a file?
#include<iostream>
#include<cmath>
#include<fstream>
#include<conio> | #include<fstream> |
| Which stream class is used to both read and write on files?
ofstream
fstream
ofstream
opstream | fstream |
| Which stream class is to only read from files?
iostream
ofstream
fstream
ifstream | ifstream |
| What can be used to input a string with blank space?
getline
inline
sideline
putline | getline |
| It represents a sequence of bytes on the disk where a group of related data is stored.
Array
Parameter
Variable
File | File |
| By default, all the files in C++ are opened in _________ mode.
Octal
ASCII
Text
Binary | Text |
| An operation where in data is added to the existing data of file
Delete
Create
Close
Append | Append |
| A function directly writes into the file:
fscanf()
fprintf()
fopen()
fclose() | fprintf() |
| What is correct syntax for fopen()?
fp = fopen(one.txt, w);
fp = fopen("one.txt", "w");
fp = fopen(one.txt, "w");
fp = fopen(“one.txt”, w); | fp = fopen("one.txt", "w"); |
| An operation wherein data is added to the existing data of a file
Combine
Concatenate
Append
Add | Append |
| Which of the following is used to create an output stream?
iostream
ofstream
fstream
ifstream | ofstream |
| Which of the following is used to create a stream that performs both input and output operations?
iostream
ofstream
ifstream
fstream | fstream |
| Which stream class is to only write on files?
opstream
ifstream
ofstream
fstream | ofstream |
| The ifstream would be used when:
appending a file
creating a file
reading a file
removing a file | reading a file |
| What is the return type open() method?
double
int
char
bool | bool |
| Which header file is required to use file I/O operations?
<ostream>
<iostream>
<ifstream>
<fstream> | <fstream> |
| When will the cin can start processing of input?
Delete file
Both read and write file
After pressing return key
By pressing backspace | After pressing return key |
| What is the output of the given program?
#include < iostream >
using namespace std;
int main ()
{
char str[] = "Steve jobs";
int val = 65;
char ch = 'A';
cout << val << endl;
return 0;
}
65 A
a
Error
65 | 65 |
